Abstract
Cerebral and peripheral circulation in 200 five- to seven-year-old children was studied with focused and tetrapolar impedance plethysmography. The strongest changes in the cerebral blood flow (CBF) were found to occur during the sixth year, whereas an increase in the tonic tension in large cerebral arteries takes place by the end of the ninth year. Significant alterations in the arterial tone and in volumetric velocity of the blood flow (VVBF) in the forearm were observed at the age of six, seven, and nine years. In five- to nine-year-old children, a local static workload significantly decreased CBF, increased the tone of large cerebral arteries, and caused a long-lasting increase in the antebrachial vascular tone accompanied by an exercise hyperemia which was more intense in nine-year-old children, whereas cerebral circulation reactivity was stronger in the younger group.
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Bezobrazova, V.N., Dogadkina, S.B. Functional Status of Cerebral and Antebrachial Circulation in Five- to Nine-Year-Old Children. Human Physiology 27, 551–555 (2001). https://doi.org/10.1023/A:1011904209395
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DOI: https://doi.org/10.1023/A:1011904209395